In a thrilling development that challenges long-held assumptions about the outer reaches of our solar system, astronomers ...

A new dwarf planet, discovered beyond Neptune and described as Pluto's 'cousin,' could void the hypothesis of a Planet X in ...

Astronomers have announced the discovery of a new dwarf planet in our solar system, named 2017 OF201. Located far beyond ...

Space is really big. Thinking about our solar system, let’s imagine you could get in a car and drive to Pluto at highway ...

Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to ... .</ ...

Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to ...

Elon Musk, under the username "Kekius Maximus," has joined William Shatner in advocating for Pluto's reclassification as a ...